Leupold Gold Ring 10-20x40mm Compact Spotting Scope, Shadow Gray Leupold's standard multi-coated lens system delivers optimal clarity, brightness, and contrast in any light Lightweight but tough as nails, the carbon fiber construction protects the optic during fast-paced action Made with Leupold's Proprietary nitrogen sealing process, which has become the industry standard. Rugged and absolutely waterproof A built-in 1/4-20 tripod adapter port makes it easy to mount to a tripod